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QTX QX12PA Speaker Display Not Working

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djspeedy View Drop Down
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    Posted: 07 February 2020 at 4:32pm
I have a QTX QX12PA PA Speaker where the digital display screen is no longer lighting up and the USB/SD/FM inputs are not functioning. However, I can turn on the bluetooth and connect no problem and sound output from this connection works fine along with the volume and level controls. They feel like 2 separate systems when operating them on the back of the speaker so I'm guessing something has gone wrong with one of them. Any ideas on where to start?
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njw View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote njw Quote  Post ReplyReply Direct Link To This Post Posted: 08 February 2020 at 9:56pm
 I'd open it up and have a look for any loose connections (if you're confident you know what you're doing!), there may be a ribbon cable or similar that's come adrift. 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Digbethdave Quote  Post ReplyReply Direct Link To This Post Posted: 08 February 2020 at 9:57pm
Or relegate it to a workshop music system 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote djspeedy Quote  Post ReplyReply Direct Link To This Post Posted: 12 February 2020 at 2:44pm
So opened up, nothing was loose or disconnected and no obvious capacitor bulges. Stumped?
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